Soondar&reg; Digital Volt Ohm Coil Meter Portable Multimeter Low Resistance Reader Red LED Panel Ohmmeter & Voltmeter Resistivity Multiple Tester Wireless Build-in Connector for Battery Charger The Multimeter built-in coil threading connections for voltage and ohm readings Testing range: 0- 20 ohm resistance testing range and 0-12V Voltage testing range Bright display screen with red numbers on it. It is quite convenient for you to bring anywhere. Portable and small are its core features. 2 AA batteries required, but not included.